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Finding the Fourth Proportional to 40,484.01, 60,727.83 and 12,402.01

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Solution

The fourth proportional to 40,484.01, 60,727.83 and 12,402.01 is: 18,603.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,484.01 : 60,727.83 = 12,402.01 : x
  2. Step 2: Convert to fraction form
    40,484.01/60,727.83 = 12,402.01/x
  3. Step 3: Cross multiply
    40,484.01x = 60,727.83 × 12,402.01
  4. Step 4: Simplify right side
    40,484.01x = 753,147,154.94
  5. Step 5: Solve for x
    x = 753,147,154.94/40,484.01
  6. Step 6: Final answer
    x = 18,603.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.